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Power Systems

Power Systems
The value of diversity factor is

 greater than 1
 1
 0
 less than 1

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Power Systems
Advantages of gauss siedel method is/are

 number of iterations are less
All of these
 applicable for large power system network
 calculation time for each iteration is less

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Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 1.098 pu
 0.98 pu
 1 pu
 0.098 pu

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Power Systems
Pipes carrying steam are generally of

 cobalt.
 aluminium.
  steel.
 cast iron.

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Power Systems
The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is

 7 A.
 10 A.
  6 A.
 8 A.

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Power Systems
Which of the following relays are used in protection of medium transmission lines?

 Impedance relays
 Mho relays
 any of the above
 Admittance relays

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